Finding the Fourth Proportional to 1,359.48, 1,876.11 and 769.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.48 : 1,876.11 = 769.96 : x
2. Step 2: Convert to fraction form
   1,359.48/1,876.11 = 769.96/x
3. Step 3: Cross multiply
   1,359.48x = 1,876.11 × 769.96
4. Step 4: Simplify right side
   1,359.48x = 1,444,522.89
5. Step 5: Solve for x
   x = 1,444,522.89/1,359.48
6. Step 6: Final answer
   x = 1,062.55